50. The Purge: Anarchy (2014)
With its striking colours, this is a poignant commentary on America's fractured gun laws.
49. Perfume (2006)
Inspired and unique, this entry is a visceral take on the murder genre, with blood-red rose petals catching the eye.
48. The Nightmare Before Christmas (1993)
The wonderful eye of Tim Burton has never quite been captured in one frame as well as it is in this classic poster.